/************************************************************************************************************
(C) www.dhtmlgoodies.com, November 2005

This is a script from www.dhtmlgoodies.com. You will find this and a lot of other scripts at our website.	

Terms of use:
You are free to use this script as long as the copyright message is kept intact. However, you may not
redistribute, sell or repost it without our permission.

Thank you!

www.dhtmlgoodies.com
Alf Magne Kalleland

************************************************************************************************************/

var dhtmlgoodies_slideSpeed = 10;	// Higher value = faster
var dhtmlgoodies_timer = 10;	// Lower value = faster

var objectIdToSlideDown = false;
var dhtmlgoodies_activeId = false;
var dhtmlgoodies_slideInProgress = false;
var formOpen = 0;
var arrowSide = new Image();
var arrowDown = new Image();

 
function showHideContent(e,inputId)
{
	if(dhtmlgoodies_slideInProgress)return;
	dhtmlgoodies_slideInProgress = true;
	if(!inputId)inputId = this.id;
	inputId = inputId + '';
	var numericId = inputId.replace(/[^0-9]/g,'');
	var answerDiv = document.getElementById('dhtmlgoodies_a' + numericId);

	objectIdToSlideDown = false;
	
	var usrArrNum = document.getElementById('usrArr_' +  numericId);
	var usrTblNum = document.getElementById('usrTbl_' +  numericId);	
	if(!answerDiv.style.display || answerDiv.style.display=='none'){
		if(dhtmlgoodies_activeId &&  dhtmlgoodies_activeId!=numericId){
			var usrArrDHTML = document.getElementById('usrArr_' +  dhtmlgoodies_activeId);
			var usrTblDHTML = document.getElementById('usrTbl_' +  dhtmlgoodies_activeId);
			
			usrArrDHTML.src = arrowSide.src; //this is the hack to show the arrow
			usrArrDHTML.title = usrTblDHTML.title = 'click to expand'; //this is the hack to show the arrow
			
			usrArrNum.src = arrowDown.src;
			usrArrNum.title = usrTblNum.title = 'click to collapse';
			objectIdToSlideDown = numericId;
			slideContent(dhtmlgoodies_activeId,(dhtmlgoodies_slideSpeed*-1));
		}else{
			usrArrNum.src = arrowDown.src; //this is a hack to show the arrow
			usrArrNum.title = usrTblNum.title = 'click to collapse';
			
			answerDiv.style.display='block';
			answerDiv.style.visibility = 'visible';
			slideContent(numericId,dhtmlgoodies_slideSpeed);
		}
	}else{
		usrArrNum.src = arrowSide.src; //this is hack to show the arrow
		usrArrNum.title = usrTblNum.title = 'click to expand'; //this is the hack to show the arrow
		slideContent(numericId,(dhtmlgoodies_slideSpeed*-1));
		dhtmlgoodies_activeId = false;
	}
	hideLogError();
}

function slideContent(inputId,direction)
{

	var obj =document.getElementById('dhtmlgoodies_a' + inputId);
	var contentObj = document.getElementById('dhtmlgoodies_ac' + inputId);
	height = obj.clientHeight;
	if(height==0)height = obj.offsetHeight;
	height = height + direction;
	rerunFunction = true;
	if(height>contentObj.offsetHeight){
		height = contentObj.offsetHeight;
		rerunFunction = false;
	}
	if(height<=1){
		height = 1;
		rerunFunction = false;
	}

	obj.style.height = height + 'px';
	var topPos = height - contentObj.offsetHeight;
	if(topPos>0)topPos=0;
	contentObj.style.top = topPos + 'px';
	if(rerunFunction){
		setTimeout('slideContent(' + inputId + ',' + direction + ')',dhtmlgoodies_timer);
	}else{
		if(height<=1){
			obj.style.display='none'; 
			if(objectIdToSlideDown && objectIdToSlideDown!=inputId){
				document.getElementById('dhtmlgoodies_a' + objectIdToSlideDown).style.display='block';
				document.getElementById('dhtmlgoodies_a' + objectIdToSlideDown).style.visibility='visible';
				slideContent(objectIdToSlideDown,dhtmlgoodies_slideSpeed);				
			}else{
				dhtmlgoodies_slideInProgress = false;
			}
		}else{
			dhtmlgoodies_activeId = inputId;
			dhtmlgoodies_slideInProgress = false;
		}
	}
}



function initShowHideDivs()
{
	var divs = document.getElementsByTagName('DIV');
	var divCounter = 1;
	for(var no=0;no<divs.length;no++){
		if(divs[no].className=='dhtmlgoodies_question'){
			divs[no].onclick = showHideContent;
			//divs[no].onmouseover = showHideContent;
			divs[no].id = 'dhtmlgoodies_q'+divCounter;
			var answer = divs[no].nextSibling;
			while(answer && answer.tagName!='DIV'){
				answer = answer.nextSibling;
			}
			answer.id = 'dhtmlgoodies_a'+divCounter;
			contentDiv = answer.getElementsByTagName('DIV')[0];
			contentDiv.style.top = 0 - contentDiv.offsetHeight + 'px'; 	
			contentDiv.id = 'dhtmlgoodies_ac' + divCounter;
			if(formOpen == divCounter) {
				document.getElementById(answer.id).style.visibility = 'visible';
				document.getElementById(answer.id).style.display = 'block';
				dhtmlgoodies_activeId = divCounter;
			}else {
				contentDiv.className='dhtmlgoodies_answer_content';
				answer.style.display='none';
				answer.style.height='1px';				
			}
			divCounter++;
		}		
	}
	if(formOpen == 1) {
		showLogError();
	}
}
window.onload = initShowHideDivs;